./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4366671714130af280ec4232c34176d9c997fd05 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:19:06,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:19:06,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:19:06,873 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:19:06,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:19:06,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:19:06,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:19:06,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:19:06,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:19:06,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:19:06,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:19:06,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:19:06,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:19:06,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:19:06,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:19:06,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:19:06,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:19:06,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:19:06,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:19:06,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:19:06,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:19:06,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:19:06,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:19:06,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:19:06,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:19:06,889 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:19:06,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:19:06,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:19:06,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:19:06,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:19:06,892 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:19:06,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:19:06,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:19:06,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:19:06,893 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:19:06,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:19:06,894 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:19:06,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:19:06,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:19:06,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:19:06,902 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:19:06,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:19:06,902 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:19:06,902 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:19:06,902 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:19:06,902 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:19:06,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:19:06,903 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:19:06,903 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:19:06,903 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:19:06,903 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:19:06,904 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:19:06,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:19:06,905 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:19:06,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:19:06,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:19:06,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:19:06,905 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:19:06,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:19:06,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:19:06,906 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:19:06,907 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4366671714130af280ec4232c34176d9c997fd05 [2018-11-23 06:19:06,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:19:06,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:19:06,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:19:06,944 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:19:06,945 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:19:06,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-23 06:19:06,999 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/data/99bd8bdc7/a56f15dbc1af4ec8bfcea322790895f1/FLAG781dbdfd1 [2018-11-23 06:19:07,393 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:19:07,393 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-23 06:19:07,403 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/data/99bd8bdc7/a56f15dbc1af4ec8bfcea322790895f1/FLAG781dbdfd1 [2018-11-23 06:19:07,413 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/data/99bd8bdc7/a56f15dbc1af4ec8bfcea322790895f1 [2018-11-23 06:19:07,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:19:07,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:19:07,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:19:07,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:19:07,421 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:19:07,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07, skipping insertion in model container [2018-11-23 06:19:07,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:19:07,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:19:07,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:19:07,699 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:19:07,799 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:19:07,814 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:19:07,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07 WrapperNode [2018-11-23 06:19:07,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:19:07,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:19:07,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:19:07,815 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:19:07,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:19:07,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:19:07,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:19:07,840 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:19:07,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... [2018-11-23 06:19:07,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:19:07,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:19:07,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:19:07,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:19:07,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:19:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:19:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:19:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:19:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:19:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:19:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:19:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:19:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:19:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:19:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 06:19:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 06:19:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 06:19:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 06:19:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:19:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:19:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 06:19:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 06:19:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 06:19:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 06:19:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 06:19:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 06:19:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 06:19:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 06:19:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:19:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:19:07,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:19:07,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:19:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 06:19:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 06:19:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:19:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:19:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 06:19:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 06:19:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:19:07,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:19:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:19:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:19:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:19:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:19:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:19:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:19:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:19:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:19:07,907 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:19:07,907 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:19:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 06:19:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 06:19:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 06:19:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 06:19:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 06:19:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 06:19:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:19:07,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:19:07,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:19:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:19:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:19:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:19:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:19:07,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:19:07,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:19:08,309 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:19:08,310 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:19:08,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:19:08 BoogieIcfgContainer [2018-11-23 06:19:08,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:19:08,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:19:08,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:19:08,315 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:19:08,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:19:07" (1/3) ... [2018-11-23 06:19:08,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fae13fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:19:08, skipping insertion in model container [2018-11-23 06:19:08,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:07" (2/3) ... [2018-11-23 06:19:08,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fae13fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:19:08, skipping insertion in model container [2018-11-23 06:19:08,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:19:08" (3/3) ... [2018-11-23 06:19:08,319 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-23 06:19:08,327 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:19:08,333 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:19:08,344 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:19:08,371 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:19:08,371 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:19:08,371 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:19:08,372 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:19:08,372 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:19:08,372 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:19:08,372 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:19:08,372 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:19:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-23 06:19:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 06:19:08,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:08,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:08,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:08,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:08,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1399684828, now seen corresponding path program 1 times [2018-11-23 06:19:08,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:08,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:08,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:08,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:08,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:08,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:08,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:19:08,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:08,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:19:08,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:19:08,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:19:08,640 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-23 06:19:08,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:08,674 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-11-23 06:19:08,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:19:08,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 06:19:08,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:08,684 INFO L225 Difference]: With dead ends: 274 [2018-11-23 06:19:08,684 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 06:19:08,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:19:08,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 06:19:08,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 06:19:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 06:19:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-23 06:19:08,728 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-11-23 06:19:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:08,728 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-23 06:19:08,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:19:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-23 06:19:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 06:19:08,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:08,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:08,732 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:08,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1356106720, now seen corresponding path program 1 times [2018-11-23 06:19:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:08,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:08,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:08,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:08,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:08,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:08,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:19:08,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:08,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:19:08,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:19:08,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:08,815 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-11-23 06:19:08,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:08,834 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-11-23 06:19:08,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:19:08,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 06:19:08,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:08,837 INFO L225 Difference]: With dead ends: 219 [2018-11-23 06:19:08,837 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 06:19:08,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:08,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 06:19:08,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 06:19:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 06:19:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-23 06:19:08,850 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-11-23 06:19:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:08,850 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-23 06:19:08,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:19:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-23 06:19:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 06:19:08,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:08,852 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:08,852 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:08,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:08,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1397764326, now seen corresponding path program 1 times [2018-11-23 06:19:08,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:08,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:08,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:08,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:08,853 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:08,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:08,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:19:08,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:08,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:19:08,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:19:08,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:19:08,972 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-23 06:19:09,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:09,197 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-11-23 06:19:09,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:19:09,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 06:19:09,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:09,199 INFO L225 Difference]: With dead ends: 232 [2018-11-23 06:19:09,200 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 06:19:09,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:19:09,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 06:19:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 06:19:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 06:19:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-23 06:19:09,213 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2018-11-23 06:19:09,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:09,214 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-23 06:19:09,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:19:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-23 06:19:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 06:19:09,216 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:09,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:09,216 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:09,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:09,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1393884155, now seen corresponding path program 1 times [2018-11-23 06:19:09,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:09,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:09,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:09,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:09,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:09,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:09,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:19:09,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:09,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:19:09,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:19:09,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:19:09,313 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-11-23 06:19:09,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:09,682 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2018-11-23 06:19:09,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:19:09,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 06:19:09,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:09,685 INFO L225 Difference]: With dead ends: 340 [2018-11-23 06:19:09,685 INFO L226 Difference]: Without dead ends: 238 [2018-11-23 06:19:09,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:19:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-23 06:19:09,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2018-11-23 06:19:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-23 06:19:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2018-11-23 06:19:09,730 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2018-11-23 06:19:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:09,731 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2018-11-23 06:19:09,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:19:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2018-11-23 06:19:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 06:19:09,733 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:09,733 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:09,734 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:09,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:09,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1880512136, now seen corresponding path program 1 times [2018-11-23 06:19:09,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:09,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:09,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:09,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:09,736 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:09,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:09,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 06:19:09,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:09,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:19:09,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:19:09,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:19:09,837 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 8 states. [2018-11-23 06:19:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:09,872 INFO L93 Difference]: Finished difference Result 417 states and 491 transitions. [2018-11-23 06:19:09,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:19:09,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-23 06:19:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:09,876 INFO L225 Difference]: With dead ends: 417 [2018-11-23 06:19:09,876 INFO L226 Difference]: Without dead ends: 226 [2018-11-23 06:19:09,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:19:09,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-23 06:19:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2018-11-23 06:19:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 06:19:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2018-11-23 06:19:09,897 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 84 [2018-11-23 06:19:09,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:09,897 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2018-11-23 06:19:09,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:19:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2018-11-23 06:19:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 06:19:09,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:09,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:09,900 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:09,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:09,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1857879882, now seen corresponding path program 1 times [2018-11-23 06:19:09,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:09,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:09,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:09,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:09,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:09,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:09,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:19:09,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:09,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:19:09,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:19:09,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:19:09,978 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 6 states. [2018-11-23 06:19:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:10,102 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2018-11-23 06:19:10,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:19:10,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 06:19:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:10,106 INFO L225 Difference]: With dead ends: 595 [2018-11-23 06:19:10,106 INFO L226 Difference]: Without dead ends: 400 [2018-11-23 06:19:10,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:19:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-11-23 06:19:10,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-11-23 06:19:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-11-23 06:19:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 450 transitions. [2018-11-23 06:19:10,132 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 450 transitions. Word has length 84 [2018-11-23 06:19:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:10,132 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 450 transitions. [2018-11-23 06:19:10,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:19:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 450 transitions. [2018-11-23 06:19:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 06:19:10,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:10,134 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:10,134 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:10,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:10,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1649329402, now seen corresponding path program 1 times [2018-11-23 06:19:10,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:10,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:10,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:10,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:10,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:10,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:10,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:19:10,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:10,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:19:10,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:19:10,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:19:10,227 INFO L87 Difference]: Start difference. First operand 394 states and 450 transitions. Second operand 7 states. [2018-11-23 06:19:10,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:10,600 INFO L93 Difference]: Finished difference Result 791 states and 928 transitions. [2018-11-23 06:19:10,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 06:19:10,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 06:19:10,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:10,603 INFO L225 Difference]: With dead ends: 791 [2018-11-23 06:19:10,603 INFO L226 Difference]: Without dead ends: 425 [2018-11-23 06:19:10,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:19:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-11-23 06:19:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2018-11-23 06:19:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-23 06:19:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 447 transitions. [2018-11-23 06:19:10,627 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 447 transitions. Word has length 88 [2018-11-23 06:19:10,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:10,627 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 447 transitions. [2018-11-23 06:19:10,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:19:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 447 transitions. [2018-11-23 06:19:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 06:19:10,629 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:10,629 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:10,629 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:10,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:10,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2017897965, now seen corresponding path program 1 times [2018-11-23 06:19:10,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:10,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:10,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:10,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:10,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:10,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:10,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:19:10,693 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:10,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:19:10,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:19:10,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:19:10,694 INFO L87 Difference]: Start difference. First operand 393 states and 447 transitions. Second operand 6 states. [2018-11-23 06:19:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:10,739 INFO L93 Difference]: Finished difference Result 772 states and 898 transitions. [2018-11-23 06:19:10,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:19:10,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 06:19:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:10,742 INFO L225 Difference]: With dead ends: 772 [2018-11-23 06:19:10,742 INFO L226 Difference]: Without dead ends: 407 [2018-11-23 06:19:10,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:19:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-23 06:19:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-11-23 06:19:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-11-23 06:19:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2018-11-23 06:19:10,770 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2018-11-23 06:19:10,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:10,771 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2018-11-23 06:19:10,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:19:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2018-11-23 06:19:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 06:19:10,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:10,773 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:10,773 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:10,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:10,773 INFO L82 PathProgramCache]: Analyzing trace with hash -589336758, now seen corresponding path program 1 times [2018-11-23 06:19:10,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:10,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:10,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:10,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:10,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:10,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:10,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:19:10,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:10,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:19:10,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:19:10,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:19:10,879 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2018-11-23 06:19:11,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:11,101 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2018-11-23 06:19:11,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:19:11,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-23 06:19:11,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:11,107 INFO L225 Difference]: With dead ends: 1188 [2018-11-23 06:19:11,107 INFO L226 Difference]: Without dead ends: 813 [2018-11-23 06:19:11,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:19:11,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-23 06:19:11,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2018-11-23 06:19:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-23 06:19:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2018-11-23 06:19:11,159 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2018-11-23 06:19:11,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:11,160 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2018-11-23 06:19:11,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:19:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2018-11-23 06:19:11,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 06:19:11,161 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:11,162 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:11,162 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:11,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:11,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1797317316, now seen corresponding path program 1 times [2018-11-23 06:19:11,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:11,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:11,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:11,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:11,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 06:19:11,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:11,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:19:11,307 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-23 06:19:11,310 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [192], [196], [229], [230], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [272], [273], [274], [276], [277], [284], [285], [286], [287], [288], [289], [292], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [310], [311], [312], [318], [319], [320] [2018-11-23 06:19:11,345 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:19:11,346 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:19:11,801 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:19:11,803 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-23 06:19:11,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:11,809 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:19:12,121 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.68% of their original sizes. [2018-11-23 06:19:12,121 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:19:12,397 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-11-23 06:19:12,397 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:19:12,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:19:12,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-23 06:19:12,398 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:12,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 06:19:12,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 06:19:12,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:19:12,399 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 19 states. [2018-11-23 06:19:16,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:16,688 INFO L93 Difference]: Finished difference Result 2019 states and 2386 transitions. [2018-11-23 06:19:16,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 06:19:16,688 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-23 06:19:16,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:16,694 INFO L225 Difference]: With dead ends: 2019 [2018-11-23 06:19:16,694 INFO L226 Difference]: Without dead ends: 1249 [2018-11-23 06:19:16,696 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-11-23 06:19:16,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-11-23 06:19:16,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1243. [2018-11-23 06:19:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2018-11-23 06:19:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1430 transitions. [2018-11-23 06:19:16,795 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1430 transitions. Word has length 108 [2018-11-23 06:19:16,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:16,796 INFO L480 AbstractCegarLoop]: Abstraction has 1243 states and 1430 transitions. [2018-11-23 06:19:16,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 06:19:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1430 transitions. [2018-11-23 06:19:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 06:19:16,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:16,800 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:16,800 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:16,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:16,801 INFO L82 PathProgramCache]: Analyzing trace with hash 568396898, now seen corresponding path program 1 times [2018-11-23 06:19:16,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:16,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:16,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:16,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:16,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 06:19:16,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:16,975 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:19:16,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-23 06:19:16,975 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-11-23 06:19:16,979 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:19:16,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:19:19,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:19:19,165 INFO L272 AbstractInterpreter]: Visited 127 different actions 1025 times. Merged at 21 different actions 90 times. Never widened. Performed 38835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 38835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-23 06:19:19,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:19,170 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:19:19,470 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 97.83% of their original sizes. [2018-11-23 06:19:19,470 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:19:19,666 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-23 06:19:19,666 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:19:19,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:19:19,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-23 06:19:19,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:19,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 06:19:19,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 06:19:19,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:19:19,668 INFO L87 Difference]: Start difference. First operand 1243 states and 1430 transitions. Second operand 22 states. [2018-11-23 06:19:28,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:28,926 INFO L93 Difference]: Finished difference Result 3760 states and 4592 transitions. [2018-11-23 06:19:28,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 06:19:28,926 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 160 [2018-11-23 06:19:28,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:28,936 INFO L225 Difference]: With dead ends: 3760 [2018-11-23 06:19:28,936 INFO L226 Difference]: Without dead ends: 2824 [2018-11-23 06:19:28,939 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=624, Invalid=2682, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 06:19:28,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2018-11-23 06:19:29,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2247. [2018-11-23 06:19:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2247 states. [2018-11-23 06:19:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 2614 transitions. [2018-11-23 06:19:29,077 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 2614 transitions. Word has length 160 [2018-11-23 06:19:29,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:29,078 INFO L480 AbstractCegarLoop]: Abstraction has 2247 states and 2614 transitions. [2018-11-23 06:19:29,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 06:19:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2614 transitions. [2018-11-23 06:19:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 06:19:29,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:29,083 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:29,083 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:29,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:29,083 INFO L82 PathProgramCache]: Analyzing trace with hash -251874773, now seen corresponding path program 1 times [2018-11-23 06:19:29,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:19:29,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:29,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:29,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:29,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:19:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 06:19:29,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:29,235 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:19:29,235 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-23 06:19:29,235 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [117], [127], [128], [129], [131], [134], [136], [139], [142], [145], [151], [153], [154], [155], [156], [157], [158], [160], [165], [168], [169], [171], [176], [178], [179], [184], [186], [189], [192], [196], [202], [229], [230], [233], [237], [238], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [272], [273], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320] [2018-11-23 06:19:29,239 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:19:29,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:19:30,624 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:19:30,624 INFO L272 AbstractInterpreter]: Visited 130 different actions 981 times. Merged at 22 different actions 107 times. Never widened. Performed 32750 root evaluator evaluations with a maximum evaluation depth of 3. Performed 32750 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 26 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-23 06:19:30,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:30,639 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:19:30,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:30,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:19:30,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:30,648 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:19:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:30,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:19:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 06:19:30,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:19:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 06:19:31,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:19:31,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 06:19:31,722 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:19:31,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:19:31,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:19:31,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 06:19:31,722 INFO L87 Difference]: Start difference. First operand 2247 states and 2614 transitions. Second operand 8 states. [2018-11-23 06:19:31,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:31,911 INFO L93 Difference]: Finished difference Result 3582 states and 4225 transitions. [2018-11-23 06:19:31,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:19:31,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2018-11-23 06:19:31,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:31,913 INFO L225 Difference]: With dead ends: 3582 [2018-11-23 06:19:31,913 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:19:31,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 422 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 06:19:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:19:31,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:19:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:19:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:19:31,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-11-23 06:19:31,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:31,918 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:19:31,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:19:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:19:31,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:19:31,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:19:32,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:32,801 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 23 [2018-11-23 06:19:33,046 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 35 [2018-11-23 06:19:33,464 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2018-11-23 06:19:33,673 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2018-11-23 06:19:34,122 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-11-23 06:19:34,253 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 24 [2018-11-23 06:19:34,943 WARN L180 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 63 [2018-11-23 06:19:35,114 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2018-11-23 06:19:35,333 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 35 [2018-11-23 06:19:36,624 WARN L180 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 62 [2018-11-23 06:19:37,011 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 35 [2018-11-23 06:19:37,013 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 06:19:37,013 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 06:19:37,013 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 06:19:37,013 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 06:19:37,013 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 06:19:37,013 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,013 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,013 INFO L444 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,013 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-11-23 06:19:37,013 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-11-23 06:19:37,013 INFO L448 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-11-23 06:19:37,014 INFO L448 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-11-23 06:19:37,014 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,014 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,014 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,014 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-11-23 06:19:37,014 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 06:19:37,014 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-23 06:19:37,014 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4))) [2018-11-23 06:19:37,014 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 0)))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4) (or .cse3 .cse0 .cse4 .cse1))) [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (< ~methaneLevelCritical~0 1) (not .cse0) .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse0) .cse2) (or .cse2 .cse1 .cse3 .cse4))) [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 06:19:37,015 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 06:19:37,015 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,015 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse1))) [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse1 .cse4 .cse5))) [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-11-23 06:19:37,016 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L444 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 06:19:37,017 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse3) .cse2) (or .cse2 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-11-23 06:19:37,017 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-23 06:19:37,017 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-11-23 06:19:37,018 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-11-23 06:19:37,018 INFO L444 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,018 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:19:37,018 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-11-23 06:19:37,018 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-11-23 06:19:37,018 INFO L444 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse1 .cse3))) [2018-11-23 06:19:37,018 INFO L448 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-11-23 06:19:37,018 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse1 .cse3))) [2018-11-23 06:19:37,018 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-11-23 06:19:37,018 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 (not (= ~pumpRunning~0 0)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L444 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (not (= ~waterLevel~0 1)) .cse1 (not .cse3) .cse2 (not (= ~waterLevel~0 0))) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 06:19:37,019 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 (not (= ~pumpRunning~0 0))) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~methaneLevelCritical~0) .cse1 .cse0) (and .cse3 .cse2 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 1)) (.cse2 (not .cse6)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3)))) [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-11-23 06:19:37,019 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 .cse2 .cse0) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (or .cse3 .cse4 .cse9) (or .cse2 .cse3 .cse4))) (.cse6 (not .cse9)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~waterLevel~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse5 .cse0) (or .cse0 .cse8 .cse1 .cse6 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse0 .cse3 .cse4) (or .cse8 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse0)))) [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (or .cse3 .cse4 .cse9) (or .cse2 .cse3 .cse4))) (.cse6 (not .cse9)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~waterLevel~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse5 .cse0) (or .cse0 .cse8 .cse1 .cse6 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse0 .cse3 .cse4) (or .cse8 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse0)))) [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-11-23 06:19:37,020 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not .cse6)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not .cse6)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 06:19:37,021 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not .cse6)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse3 (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 06:19:37,021 INFO L448 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-11-23 06:19:37,021 INFO L451 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse2 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= 0 ~methaneLevelCritical~0) (or .cse0 .cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (or (not (= |old(~methaneLevelCritical~0)| 1)) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (or .cse2 .cse3 (or .cse0 (= 0 ~pumpRunning~0))) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-23 06:19:37,022 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-23 06:19:37,022 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1)) (.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (= ~waterLevel~0 0))) (.cse10 (not (= ~waterLevel~0 1))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse13)) (.cse3 (and (or .cse8 .cse9 .cse13) (or (= |old(~waterLevel~0)| 0) .cse8 .cse9))) (.cse16 (not .cse7)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse15 (= 1 ~waterLevel~0)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse1 .cse8 .cse9 .cse10) (or .cse1 .cse11 .cse3 .cse5) (or .cse11 .cse6 .cse7 .cse1 .cse3) (or .cse6 .cse12 (or .cse8 .cse13)) (or .cse7 .cse1 (and .cse14 .cse10 .cse12) .cse8 .cse9 .cse5) (or .cse6 .cse8 (and .cse14 .cse12) .cse9) (or .cse15 .cse0 .cse1 .cse3 .cse16) (or .cse1 .cse3 .cse16 .cse5 (and .cse14 .cse15 .cse12)) (or .cse12 (or .cse8 .cse5 .cse13))))) [2018-11-23 06:19:37,023 INFO L444 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse15 (not (= ~waterLevel~0 1))) (.cse18 (not (= ~waterLevel~0 0)))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~waterLevel~0 2)) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse14 (and .cse10 .cse15 (= ~pumpRunning~0 1) .cse18)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse17 (= 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not .cse4)) (.cse8 (and (or .cse2 .cse11 .cse4) (or (= |old(~waterLevel~0)| 0) .cse2 .cse11))) (.cse16 (not .cse13))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 (or .cse5 .cse2 .cse11)) (or .cse12 (or .cse2 .cse4) .cse0) (or .cse13 .cse6 .cse14 (and .cse10 .cse15 .cse1) .cse2 .cse11 .cse3) (or .cse6 .cse8 .cse16 .cse3 (and .cse10 .cse17 .cse1)) (or .cse5 .cse6 .cse1 .cse2 .cse11) (or .cse7 .cse6 .cse14 .cse8 .cse3 .cse9) (or .cse12 .cse13 .cse6 .cse2 .cse11 .cse15) (or .cse6 .cse18 .cse8 .cse3) (or .cse18 .cse12 .cse13 .cse6 .cse8) (or .cse12 .cse6 .cse14 .cse2 (and .cse10 .cse1) .cse11) (or .cse17 .cse5 .cse6 .cse8 .cse16)))) [2018-11-23 06:19:37,023 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (not .cse9)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse8 (= |old(~waterLevel~0)| 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (or .cse1 .cse2 .cse3)) (or .cse5 (or .cse1 .cse2) .cse4) (or .cse6 (or .cse7 .cse8 .cse1 .cse3 .cse9)) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse10 (or .cse1 .cse9)) (or .cse5 (or .cse7 .cse8 .cse1 .cse9) .cse6) (or .cse10 (or .cse1 .cse3 .cse9))))) [2018-11-23 06:19:37,023 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-11-23 06:19:37,023 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse16 (not (= ~waterLevel~0 1))) (.cse17 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse8 (not (= ~systemActive~0 1))) (.cse15 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= |old(~waterLevel~0)| 1)) (.cse10 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse18 (= ~methAndRunningLastTime~0 0)) (.cse12 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse10)) (.cse11 (not .cse6)) (.cse3 (and (or .cse8 .cse15 .cse10) (or .cse7 .cse8 .cse15))) (.cse14 (< ~methaneLevelCritical~0 1)) (.cse5 (and .cse16 .cse17)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse9 .cse10)) (or .cse1 .cse3 .cse11 .cse9 (and .cse12 .cse13)) (or .cse2 .cse1 .cse3 .cse9 .cse4) (or .cse14 .cse6 .cse1 .cse8 .cse15 .cse16) (or .cse1 .cse17 .cse3 .cse9) (or .cse18 (or .cse8 .cse15 .cse9)) (or .cse14 .cse13 (or .cse8 .cse10)) (or .cse14 .cse8 (and .cse18 .cse13) .cse15) (or .cse6 .cse1 (and .cse16 .cse13) .cse8 .cse15 .cse9) (or .cse12 .cse0 .cse1 .cse3 .cse11) (or .cse17 .cse14 .cse6 .cse7 .cse3) (or .cse14 .cse5 (or .cse6 .cse7 .cse8 .cse10)) (or .cse13 (or .cse8 .cse9 .cse10))))) [2018-11-23 06:19:37,023 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-11-23 06:19:37,023 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-11-23 06:19:37,023 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-11-23 06:19:37,023 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-11-23 06:19:37,023 INFO L451 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L451 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L451 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2018-11-23 06:19:37,024 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 0)))) (and (or (< ~methaneLevelCritical~0 1) (or .cse0 (or .cse1 .cse2)) .cse3) (or (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) .cse3))) [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-11-23 06:19:37,024 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 06:19:37,025 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (= ~systemActive~0 1)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse1 (or .cse2 .cse4 .cse3)) (or .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse1 .cse5))) [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not .cse10)) (.cse3 (let ((.cse8 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse8 .cse9 .cse10) (or (= |old(~waterLevel~0)| 0) .cse8 .cse9)))) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse6 .cse7) (or .cse1 (or .cse2 .cse6) .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse3 .cse5)))) [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-23 06:19:37,025 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-11-23 06:19:37,026 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-11-23 06:19:37,026 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-23 06:19:37,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:19:37 BoogieIcfgContainer [2018-11-23 06:19:37,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:19:37,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:19:37,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:19:37,036 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:19:37,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:19:08" (3/4) ... [2018-11-23 06:19:37,040 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:19:37,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:19:37,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:19:37,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:19:37,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:19:37,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 06:19:37,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:19:37,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:19:37,050 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 06:19:37,050 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:19:37,051 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:19:37,051 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:19:37,051 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:19:37,051 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:19:37,052 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:19:37,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((((!(waterLevel == 1) && systemActive == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 06:19:37,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 06:19:37,104 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_922e3aa7-7173-4223-81e1-d97a23128176/bin-2019/utaipan/witness.graphml [2018-11-23 06:19:37,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:19:37,105 INFO L168 Benchmark]: Toolchain (without parser) took 29688.64 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 06:19:37,105 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:19:37,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:37,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:37,106 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:37,106 INFO L168 Benchmark]: RCFGBuilder took 446.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:37,107 INFO L168 Benchmark]: TraceAbstraction took 28724.35 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -21.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 06:19:37,107 INFO L168 Benchmark]: Witness Printer took 68.16 ms. Allocated memory is still 2.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:19:37,108 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 446.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28724.35 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -21.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 68.16 ms. Allocated memory is still 2.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((((!(waterLevel == 1) && systemActive == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 28.6s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 15.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2606 SDtfs, 2993 SDslu, 8224 SDs, 0 SdLazy, 3921 SolverSat, 1812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 855 GetRequests, 696 SyntacticMatches, 7 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1129 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2247occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9964493262239209 AbsIntWeakeningRatio, 0.9135338345864662 AbsIntAvgWeakeningVarsNumRemoved, 95.54511278195488 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 662 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2948 PreInvPairs, 3192 NumberOfFragments, 3874 HoareAnnotationTreeSize, 2948 FomulaSimplifications, 23420 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 38358 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1400 NumberOfCodeBlocks, 1400 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1605 ConstructedInterpolants, 0 QuantifiedInterpolants, 329737 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 506/538 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...